<template>
  <div>
    <div class="search">
      <input class="search-input"
             type="text"
             v-model="keyword"
             placeholder="输入城市名或拼音"/>
    </div>
    <div class="search-content" ref="searchScoll" v-show="isShowSearchContent">
      <ul>
        <li class="search-item border-bottom"
            v-on:click="handleCityClick(item.name)"
            v-for="item of list"
            :key="item.id">{{item.name}}</li>
        <li class="search-item border-bottom" v-show="isShowNoData">没有找到数据</li>
      </ul>
    </div>
  </div>

</template>

<script>
import Bscroll from 'better-scroll'
import {mapMutations} from 'vuex'
export default {
  name: 'CitySearch',
  props: {
    cities: Object
  },
  data () {
    return {
      keyword: '',
      list: [],
      timer: null
    }
  },
  computed: {
    isShowNoData: {
      get () {
        return !this.list.length
      },
      set (value) {
        return value
      }
    },
    isShowSearchContent () {
      return this.keyword.length
    }
  },
  methods: {
    handleCityClick (city) {
      console.info(city)
      // this.$store.commit('changeCity', city)
      this.changeCity(city)
      this.$router.push('/')
    },
    ...mapMutations(['changeCity'])
  },
  watch: {
    keyword () {
      if (this.timer) {
        clearTimeout(this.timer)
      }
      this.timer = setTimeout(() => {
        if (!this.keyword) {
          this.list = []
          return
        }
        const result = []
        for (let i in this.cities) {
          this.cities[i].forEach((value) => {
            if (value.spell.indexOf(this.keyword) > -1 ||
               value.name.indexOf(this.keyword) > -1) {
              result.push(value)
            }
          })
        }
        this.list = result
        this.isShowNoData = !this.list.length
      }, 100)
    }
  },
  mounted () {
    console.info('scoll')
    this.scroll = new Bscroll(this.$refs.searchScoll, {click: true})
  }
}
</script>

<style lang="stylus" scoped>
  @import '~styles/varibles.styl'
  .search
    height: .72rem
    padding: 0 .1rem
    background : $bgColor
    .search-input
      box-sizing : border-box
      width : 100%
      height : .62rem
      padding : 0 .1rem
      line-height : .62rem
      text-align:center
      border-radius : 0.06rem
      color : #666
  .search-content
    z-index : 1
    overflow : hidden
    position : absolute
    top :1.58rem
    left : 0
    right : 0
    bottom : 0
    background : #eee
    .search-item
      line-height : .62rem
      padding-left : .2rem
      background : #fff
      color: #666

</style>
